Non-Destructive Root Investigation & AS 4970-Compliant Mapping
Our local Level 5 Arborists provide non-destructive root investigations and TPZ/SRZ mapping for developments, structural concerns and Council applications across the Hornsby area.
Using advanced methods such as AirSpade excavation, root tracing and depth profiling, we assess root impacts on buildings, driveways, retaining walls and underground services.
All reports follow AS 4970 – Protection of Trees on Development Sites and Hornsby Council Tree Preservation Controls, providing clear mapping, photos and recommendations for DA/CDC approvals or collaboration with engineers.
Our Root Investigation Services
- Non-Destructive AirSpade Root Exposures
- Root Mapping for DA & CDC Applications
- TPZ & SRZ Radius Calculations (AS 4970)
- Root Direction, Depth & Spread Assessments
- Driveway, Slab & Structural Damage Investigations
- Tree & Building Conflict Analysis
- Excavation Monitoring & On-Site Arborist Supervision
- Engineering Collaboration & Impact Solutions
Why Choose Us
- Local Hornsby Council Knowledge
- Accurate Non-Destructive Root Mapping
- Level 5 Arborists – QTRA & TRAQ Accredited
- AS 4970-Compliant Development Reports
- Fast-Turnaround Options
- Backed by Arbor Express Sydney
Frequently Asked Questions
Why is root mapping needed for development?
Root mapping identifies the position and spread of tree roots so designs can comply with AS 4970 and avoid structural or DA conflicts.
We provide TPZ/SRZ overlays to guide compliant design and prevent costly redesigns.
How do you investigate roots without damaging the tree?
We use AirSpade equipment for non-destructive excavation, allowing us to expose roots safely and accurately.
This method protects root health while giving detailed measurements for mapping and assessment.
Can root investigations help with structural damage concerns?
Yes, we assess whether roots are contributing to issues such as slab cracking, pipe intrusion, driveway lifting or wall movement.
We provide documented evidence for builders, engineers or insurers to support remediation or design decisions.
Are your root investigation reports accepted by Council?
Yes, all reports follow AS 4970 and are accepted for DA and CDC applications.
We supply full mapping, photos and assessment notes formatted for easy Planning Portal submission.
Need Detailed Root Mapping for Your Project?
Contact our Level 5 Arborists for accurate, non-destructive root investigations and AS 4970-compliant mapping to support your development or engineering requirements.
Get Started in Minutes
Call now or email us for fast, expert help with your tree permit or report. Rest easy, we handle everything from start to finish.
